divendres, 28 de maig de 2010

Q5.On sports day the first three in the 1 000 m race ran as shown in the graph below.

a) Wich runner, A, B or C, won the race?

b) How long did the winner take?

Which runner kept up a steady speed?

d)What was that speed

in m/min?

In km /h ?

e) Which runner achieved the fastest speed and what was that speed?

Q6. Two cars start a journey a midday(1200) one travels from A to B, and the other from B to A. The distance between A and B is 80 km. The speed of the first car is 48 km/h and the other car B travels at 60 km /h

dissabte, 24 d’abril de 2010

The page I showed last Friday in the class room is Figures Speak Mathematics.Click here if you want to revise what we saw. I think the title is true,any figure speaks mathematics you only have to look at it carefully.

divendres, 26 de març de 2010

Watch this video and listen to it carefuly. Solving two simultaneous linear equations is not difficult but you have to follow some steps. There are different methods,the following is known as Substitution method.

dijous, 18 de març de 2010

In the previous video you have watched an explanation of how to solve a second degree equation. Now, have some fun listening to a great song which will help you to remember the quadratic formula. Click on the link and sing along!

dimecres, 10 de febrer de 2010

dimarts, 9 de febrer de 2010

These are some instructions for doing a hands-on activity :Take a piece of cardboardDraw two squares of different sides a and bDraw two identical rectangles, whose sides are a and bCut the four figures with a cutter or a pair of scissors.Joining some pieces of cardboard, two, three or four of them write down formulas about the areas of the figures together.Example: